The VD51 SII quartz chronograph watch movement is a 12¾-ligne caliber measuring 29.50 × 26.00 mm, with a movement thickness of 4.50 mm and a total height of 6.93 mm. It features three central hands (hour, minute, sweep second), two indicator hands including a 60-minute register at 6 o’clock and small seconds at 12 o’clock, along with a date window at the 3 o’clock position. This 0-jewel movement operates on a 371 battery, uses stem part number 351-177, and has hand sizes of 110/65/20 for the hour, minute, and sweep second hands, with 0.21 mm indicator hands.
